Finding the Fourth Proportional to 6,913.02, 9,539.28 and 3,887.82

Step by Step Solution

1. Step 1: Write the proportion equation
   6,913.02 : 9,539.28 = 3,887.82 : x
2. Step 2: Convert to fraction form
   6,913.02/9,539.28 = 3,887.82/x
3. Step 3: Cross multiply
   6,913.02x = 9,539.28 × 3,887.82
4. Step 4: Simplify right side
   6,913.02x = 37,087,003.57
5. Step 5: Solve for x
   x = 37,087,003.57/6,913.02
6. Step 6: Final answer
   x = 5,364.80